Concrete handling apparatus



Sept, 6, 1950 1.... KUERT 2,523,506

CONCRETE HANDLING APPARATUS Filed April 14, 1947 IN V EN TOR. [e4 IX 7:27 BY ATTORNEY Patented Sept. 2c, 1950 v "CONCRETE HANDLING APPARATUS V Ira J. Kuert, San Gabriel, cane; Bertha 'r. Kuert executrix of said Ha J. Kuert, deceased Application April 14, 1947, Serial No. 41,370

This invention relates to a concrete handlin apparatus.

The general object of the invention is to provide an improved, two-part pouring chute for use with V a concrete handling apparatus. 1

Other objects and advantages of the invention will. be apparent from the following description taken in connection with the accompanying drawings, wherein:

Fig. 1 is a fragmentaryside elevation with parts in section, showing the improved pouring spout and associated parts;

Fig. 2 and Fig. 3'are views similar to Fig. 1, showing the parts in other positions. 7 Referring to the drawing: by reference characters, I have shown my improvedchute as mounted on a tower 22 which consists of pipes 22 which are connected by coupling members 23. The tower includes transverse members 54 connected to the pipes 22'. The tower supports a hollow, rotary drum 32 which may be associated with a concrete mixer, and the drum forms no part of the present invention. a r

In the drawings myimproved pouring chute is indicated generally at I and includes a concrete receiving portion IUI which has a, bracket I82 secured thereon. The bracket H32 is mounted 2 Claims. (Cl. 193-17 on a shaft Hi3 which is securedto the mixer.

as a unit will be moved from the position of Fig. 1 to the position shown in Fig. 2. r

A spring H8, fixed at one end to a shaft H9 on the mixer, has the other end secured at I20 to the link H5 and when the parts are in the position shown inFig: 1, the pivot H4 is over the center line connecting the pivots, H2 and H6 and thus the sprin H8 holds the parts in the position shown in Fig. 1. I

To move the. discharge portion I04 of the chute, I mount a bell crank I25 on the shaft H9. The bell crank includes a handle I26 at one end and at the other end is pivotally connected at- I21 to curved links I28, which, in turn, is connected at I29 tothc bracket I05 on the portion IBM It will thus be seen that-by operating the handle III the entire chute as a unit may be moved from the position shown in Fig. 1 to the position shown in Fig.2 and that thereafter by operating the handle. I26 the discharge portion-of the chute may be moved to the position shown in Fig. 3. Thus is will be seen that'the chute first moves out of concrete receiving position and that thereafter the discharge portion of the chute moves out of the path of thebucket.

In order'to hold the portion I04 in the position of Fig. 3, I provide a counterbalancing sprin I30 which is secured at I3I to a link I32 fastened to the shaft H9 at the end opposite the bell crank I25; the other end of this spring I30 is fastened to the supporting frame about the to a position shown in Fig. 2, where the portion IllI is out of the'path of the concrete so that discharge ofconcrete ceases and then to the position of Fig. 3,.where the portion'IU I is out of the path of the bucket 49.

In order to shift the two parts of the chute as a unit, I provide a bell crank III] which has a handle I I I thereon. The bell crank is mounted on a shaft H2 which is arranged on a portion H3 on the mixer. The end of the bell crank opposite the handle III has a, pivot H4 thereon which pivotally engages one end of a curved link H5. The other end of the link H5 is pivotally connected atv I I6 to a bracket III on the bracket I02. The arrangement is such that when the handle I I I is swung clockwise in Fig. 1, the chute mixer 90.

From the foregoing description it will be apparent that I have invented an improved concrete handling apparatus which is highly efiicient for its intended purpose.

Having thus described my invention, I claim:

1. A pouring chute for a concrete mixer, said chute consisting of two portions, namely a concrete receiving portion and a concrete discharge portion, said concrete receiving portion having a bracket thereon, a shaft supporting said bracket,

said shaft being adapted to be secured to a concrete mixer frame, said discharge portion being normally aligned with the receiving portion, said discharge portion having a second bracket thereon, a second shaft supporting said second bracket, means to support the last mentioned shaft on the receiving portion, means to shift the two parts of the chute as a unit, said shifting means including a bell crank having a handle thereon, a shaft supporting said bell crank, means to mount the bell crank shaft on a mixer, the bell crank on the end thereof opposite the handle having a pivot thereon,'a curved link,

a pivot connecting to the last mentioned end of the bell crank and the curved link, a bracket on which the other end of the curved link is pivotally connected, means to pivotally support the last mentioned bracket on the first mentioned bracket, and over-center means to hold the receiving portion and the discharge portions after they have-been moved. x I g 2. A pouring chute for a concrete"mixer,'said chute consisting of two portions, namely a concrete receiving portion and a concrete discharge portion, said concrete receiving portion having a bracket thereon, a shaft supporting said bracket, said shaft bein adapted to be secured to a concrete mixer frame, said discharge portion being normally aligned with the receiving portion, said discharge portion having a second bracket thereon, a second shaft supporting said second bracket, means to support the last'mentioned shaft on the receiving portion, means to shift the two parts of the chute as a unit, said shifting means including a bell crank having a handle thereon, -.a shaft supporting said bell crank, means to mount the bell crank shaft on a mixer, the bell crank on the end thereof opposite the handle having a pivot thereon, a curved link, a pivot connecting tothe last mentioned end of thebell crank and the curved link, a bracket on which the other end of the curved link is pivotally connected, means to pivotally support the last mentioned. bracket on the first mentioned bracket, a tension spring, means to secure one end of the spring to the link, a spring supporting shaft on the mixer, means to secure the other end of the spring to the spring supporting shaft, the relation of the last mentioned shaft and the point at which the spring is secured to the link being such that such connecting pivot is over the center line connecting the axis of the bell crank shaft and the axis of the pivotal support means of the last mentioned bracket on the first mentioned bracket, means to move the discharge portion of the chute relative to the receiving portion of the chute, said last mentioned means comprising a, second bell crank on the spring supporting shaft, the second bell crank including a handle at one end, at the other end being pivotally connected to a second curved link, the other end of the second bell crank being connected to the second bracket.

IRA J. KUERT.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 397,987 Herron Feb. 19, 1889 419,145 Ely et al. Jan. 7, 1890 851,014 Lovell Apr. 23, 1907 1,126,487 Kochring Jan. 26, 1915 1,221,756 Lichtenberg Apr. 3, 1917 1,517,435 Knopp Dec. 2, 1924 1,759,807 Daniel May 20, 1930 1,918,205 Ball et a1 July 11, 1933 2,327,476 Wagner et a1 Aug. 24, 1943 2,327,477 Wagner Aug. 24, 1943 2,357,583 Franco Sept. 5, 1944 2,385,748 Wagner et a1 Sept. 25, 1945 2,395,571 McMillan Feb. 26, 1946 

